public ChatSession JoinChatRoom(int chatRoomId)
{
if (ApplicationInstance == null) ApplicationInstance = Context.ApplicationInstance;
CleanTimedOutUsers.Ping();
if (ChatSession.Current == null) ChatSession.Current = new ChatSession();
ChatSession sess = ChatSession.Current;
HttpApplication app = Context.ApplicationInstance;
if (app is IHttpApplicationUserAdapter)
{
string username = ((IHttpApplicationUserAdapter) app).GetCurrentlyLoggedUsername();
if (username == null)
{
sess.Authorized = false;
if (app is IHttpApplicationSupportLogin)
{
sess.AuthorizeUrl = ((IHttpApplicationSupportLogin) app).GetLoginUrl();
}
}
else
{
sess.ChatUserInstance = ChatUser.FetchByUsername(username);
List<ChatBan> bans = null;
if (sess.ChatUserInstance != null)
{
bans = ChatBan.FetchBans(null, chatRoomId, sess.ChatUserInstance.Id,
null, DateTime.Now);
}
if (bans != null && bans.Count > 0)
{
sess.Authorized = false;
sess.Banned = true;
}
else
{
sess.Authorized = true;
sess.ChatUserInstance = ChatUser.FetchByUsername(username);
if (sess.ChatUserInstance == null)
{
ChatUser user = new ChatUser();
user.Username = username;
user.DisplayName = username;
user.BeginTime = DateTime.Now;
user.ActiveTime = DateTime.Now;
user.Ip = Context.Request.UserHostAddress;
user.Save();
sess.ChatUserInstance = user;
}
if (sess.JoinedChatRooms.IndexOf(chatRoomId) < 0)
{
sess.JoinedChatRooms.Add(chatRoomId);
}
ChatRoomEvents.JoinUser(chatRoomId, sess);
string joinedRoomMessage = "User {0} joined the room";
if (Context.ApplicationInstance is IHttpApplicationSupportTranslations)
joinedRoomMessage = ((IHttpApplicationSupportTranslations) Context.ApplicationInstance)
.Translate(joinedRoomMessage);
ChatMessage msg = ChatMessage.Create("system", String.Format(
joinedRoomMessage,
sess.ChatUserInstance.DisplayName));
msg.MessageType = ChatMessage.MessageTypeEnum.JoinRoom;
msg.SenderUserId = sess.ChatUserInstance.Id;
msg.ChatRoomId = chatRoomId;
msg.Save();
ChatRoomEvents.AddEvent(msg);
}
}
}
else
{
sess.Authorized = true;
}
return sess;
}
private static List<ChatUser> Fetch(int? id, string username, string displayName, string ip)
{
List<ChatUser> users = new List<ChatUser>();
using (SqlConnection conn = DB.Open())
{
SqlDataReader reader = SqlHelper.ExecuteReader(conn, "FetchChatUsers", id, username,
displayName, ip);
while (reader.Read())
{
ChatUser user = new ChatUser();
user.id = (int)reader["Id"];
user.username = (string) reader["Username"];
user.displayName = (string)reader["DisplayName"];
user.beginTime = (DateTime)reader["BeginTime"];
user.activeTime = (DateTime)reader["ActiveTime"];
user.ip = (string)reader["Ip"];
users.Add(user);
}
}
return users;
}